Moroccan Lentil and Roasted Kumara Salad

Ingredients

• 1 medium_piece kumara (orange sweet potato) (400g), cut into 2cm (¾-inch) cubes
• 1/2 teaspoon olive oil
• 1 teaspoon cumin seeds
• 1/2 teaspoon each ground cinnamon and coriander
• 1/4 teaspoon ground ginger
• 3/4 cup (150g) french-style lentils
• 1 small_piece red onion (100g), sliced thinly
• 40 gram baby spinach leaves
• 1/2 cup coarsely chopped fresh coriander (cilantro)
• 1/2 cup coarsely torn fresh mint
• 1 tablespoon finely grated lemon rind
• 1 tablespoon lemon juice